预测周长

预测周长
几何画板及绘图内容加载中,请稍等……
2017-04-13 08:03
这个范例通过给定的点和线段,预测多边形的周长。涉及的核心数学概念包括多边形、向量和函数。通过使用GeoGebra命令如Line、Point、Segment等,可以构造出多边形并计算其周长。适合初中及以上学生学习几何作图和周长计算。

GeoGebra 命令及参数

  1. Line(A, B) → f
  2. Point(Circle[C, 2]) → D
  3. Segment(C, D) → g
  4. Point(Circle[D, 2]) → E
  5. Segment(D, E) → h
  6. Point(Circle[E, 2]) → F
  7. Segment(E, F) → i
  8. Point(Circle[F, 2]) → G
  9. Segment(F, G) → j
  10. Point(Circle[H, 1]) → I
  11. Segment(H, I) → k
  12. Point(Circle[I, 1]) → J
  13. Segment(I, J) → l
  14. Point(Circle[J, 1]) → K
  15. Segment(J, K) → m
  16. Point(Circle[K, 1]) → L
  17. Segment(K, L) → n
  18. Point(Circle[L, 1]) → M
  19. Segment(L, M) → p
  20. Point(Circle[M, 1]) → N
  21. Segment(M, N) → q
  22. Point(Circle[N, 1]) → O
  23. Segment(N, O) → r
  24. Point(Circle[O, 1]) → P
  25. Segment(O, P) → s
  26. Point(Circle[Q, 1.5]) → R
  27. Segment(Q, R) → t
  28. Point(Circle[R, 1.5]) → S
  29. Segment(R, S) → a
  30. Point(Circle[S, 1.5]) → T
  31. Segment(S, T) → b
  32. Point(Circle[T, 1.5]) → U
  33. Segment(T, U) → c
  34. Point(Circle[U, 1.5]) → V
  35. Segment(U, V) → d
  36. Point(Circle[V, 1.5]) → W
  37. Segment(V, W) → e